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drivers
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misc
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mei
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interface.h

interface.h 2.2 KB
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  1. /*
    2. 

  2.  *
    3. 

  3.  * Intel Management Engine Interface (Intel MEI) Linux driver
    4. 

  4.  * Copyright (c) 2003-2012, Intel Corporation.
    5. 

  5.  *
    6. 

  6.  * This program is free software; you can redistribute it and/or modify it
    7. 

  7.  * under the terms and conditions of the GNU General Public License,
    8. 

  8.  * version 2, as published by the Free Software Foundation.
    9. 

  9.  *
    10. 

  10.  * This program is distributed in the hope it will be useful, but WITHOUT
    11. 

  11.  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    12. 

  12.  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
    13. 

  13.  * more details.
    14. 

  14.  *
    15. 

  15.  */
    16. 

  16. 

  17. 

  18. 

  19. #ifndef _MEI_INTERFACE_H_
    20. 

  20. #define _MEI_INTERFACE_H_
    21. 

  21. 

  22. #include <linux/mei.h>
    23. 

  23. #include "mei_dev.h"
    24. 

  24. 

  25. 

  26. #define AMT_WD_DEFAULT_TIMEOUT 120	/* seconds */
    27. 

  27. #define AMT_WD_MIN_TIMEOUT 120	/* seconds */
    28. 

  28. #define AMT_WD_MAX_TIMEOUT 65535	/* seconds */
    29. 

  29. 

  30. #define MEI_WATCHDOG_DATA_SIZE         16
    31. 

  31. #define MEI_START_WD_DATA_SIZE         20
    32. 

  32. #define MEI_WD_PARAMS_SIZE             4
    33. 

  33. 

  34. 

  35. void mei_read_slots(struct mei_device *dev,
    36. 

  36. 		     unsigned char *buffer,
    37. 

  37. 		     unsigned long buffer_length);
    38. 

  38. 

  39. int mei_write_message(struct mei_device *dev,
    40. 

  40. 			     struct mei_msg_hdr *header,
    41. 

  41. 			     unsigned char *write_buffer,
    42. 

  42. 			     unsigned long write_length);
    43. 

  43. 

  44. int mei_host_buffer_is_empty(struct mei_device *dev);
    45. 

  45. 

  46. int mei_count_full_read_slots(struct mei_device *dev);
    47. 

  47. 

  48. int mei_count_empty_write_slots(struct mei_device *dev);
    49. 

  49. 

  50. int mei_flow_ctrl_creds(struct mei_device *dev, struct mei_cl *cl);
    51. 

  51. 

  52. int mei_wd_send(struct mei_device *dev);
    53. 

  53. int mei_wd_stop(struct mei_device *dev, bool preserve);
    54. 

  54. int mei_wd_host_init(struct mei_device *dev);
    55. 

  55. /*
    56. 

  56.  * mei_watchdog_register  - Registering watchdog interface
    57. 

  57.  *   once we got connection to the WD Client
    58. 

  58.  * @dev - mei device
    59. 

  59.  */
    60. 

  60. void mei_watchdog_register(struct mei_device *dev);
    61. 

  61. /*
    62. 

  62.  * mei_watchdog_unregister  - Unregistering watchdog interface
    63. 

  63.  * @dev - mei device
    64. 

  64.  */
    65. 

  65. void mei_watchdog_unregister(struct mei_device *dev);
    66. 

  66. 

  67. int mei_flow_ctrl_reduce(struct mei_device *dev, struct mei_cl *cl);
    68. 

  68. 

  69. int mei_send_flow_control(struct mei_device *dev, struct mei_cl *cl);
    70. 

  70. 

  71. int mei_disconnect(struct mei_device *dev, struct mei_cl *cl);
    72. 

  72. int mei_other_client_is_connecting(struct mei_device *dev, struct mei_cl *cl);
    73. 

  73. int mei_connect(struct mei_device *dev, struct mei_cl *cl);
    74. 

  74. 

  75. #endif /* _MEI_INTERFACE_H_ */
    76.